January 2026
31 daysStarts Thursday, ends Saturday20 working days9 weekend daysISO weeks 1–5
| ISO week | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 1 | |||||||
| 2 | |||||||
| 3 | |||||||
| 4 | |||||||
| 5 |
Holidays in January
- New Year's DayThu, Jan 1 · Federal
- Birthday of Martin Luther King, Jr.Mon, Jan 19 · Federal
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 3 religious dates fall in January 2026 as well — see the calendar with every holiday.
Moon phases
- Full MoonSat, Jan 3, 5:02 AM
- Last QuarterSat, Jan 10, 10:48 AM
- New MoonSun, Jan 18, 2:52 PM
- First QuarterMon, Jan 26, 11:47 PM
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through January
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- 31
About January 2026
January 2026 has 31 days. It begins on a Thursday and ends on a Saturday, which gives the month five Thursdays, Fridays and Saturdays — and only four of every other weekday. Of its 22 weekdays, 2 are federal holidays, leaving 20 working days.
New Year's Day falls on Thursday, January 1, 2026. Birthday of Martin Luther King, Jr. falls on Monday, January 19, 2026.
The month runs from Thursday, January 1, 2026 to Saturday, January 31, 2026, spanning ISO weeks 1 to 5.